CN108252545A - It is a kind of can automatic de-icing snow high refractive index soilless culture factory structure - Google Patents
It is a kind of can automatic de-icing snow high refractive index soilless culture factory structure Download PDFInfo
- Publication number
- CN108252545A CN108252545A CN201711473124.1A CN201711473124A CN108252545A CN 108252545 A CN108252545 A CN 108252545A CN 201711473124 A CN201711473124 A CN 201711473124A CN 108252545 A CN108252545 A CN 108252545A
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- Prior art keywords
- automatic
- provisions
- snow
- refractive index
- high refractive
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 8
- 235000015097 nutrients Nutrition 0.000 claims description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 239000002775 capsule Substances 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 17
- 238000003898 horticulture Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 240000008067 Cucumis sativus Species 0.000 description 2
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 2
- 241000227653 Lycopersicon Species 0.000 description 2
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 235000015816 nutrient absorption Nutrition 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/08—Buildings or groups of buildings for agricultural purposes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
- E04D13/106—Snow removing devices
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cultivation Of Plants (AREA)
Abstract
It is disclosed by the invention be it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, including factory building, the factory building is equipped with lighting ceiling, transparent top plate is equipped on the lighting ceiling, and this is equipped with the device for expelling ice and snow that can remove ice and snow on top plate automatically using ceiling, the device for expelling ice and snow includes several sliding rails being symmetrically installed on the lighting ceiling, cooperation is slidably installed with a deicing bar and the driving motor of the driving deicing bar movement between two sliding rails, several brush body operation blocks are installed on the deicing bar.The present invention can be not only a kind of efficient, intensive and professional production facility, and in use, the sunlight index of refraction of production estimation environment can be effectively improved, the ice and snow of accumulation can effectively be removed, the surface of lighting ceiling will not be damaged again, its refractive power effect is kept, increases the injection amount of indoor solar.
Description
Technical field
The present invention relates to wisdom agricultural production, more specifically it is a kind of can automatic de-icing snow high refractive index
Soilless culture factory structure.
Background technology
So-called industrialized agriculture refers to there is certain facility, and suitable weather element can be createed in subrange,
The agricultural production that good environmental condition carries out is provided for growth and development of plants and animals.Industrialized agriculture is as the important of modern agriculture
Component part has promoted and applied for many years in China wast rural area, its development is filled with new blood to China's traditional agriculture, solution
Determined most people problem of food and clothing developed countries industrialized agriculture, formed complete set technology, complete facilities and equipment, production
Specification, stable yield.In these countries, Facilities Construction scale is big, and production efficiency is high, adheres to the demonstration of new and high technology always, pushes away
Extensively with application, considerable benefit is obtained.By taking Holland as an example, there are glasshouse 13000h m2. in the whole nation and are large-scale modern
Change attached-greenhouse, high degree of automation, production efficiency are high, and warm Indoor Temperature, light, water, gas, fertilizer etc. realize intelligentized control method.From
Variety selection, cultivation management form the technical system of a whole set of complete specifications to harvesting packaging, and tomato, cucumber etc. realizes one
Nian Yi great batches without native Long term cultivation, picking time is up to 9~10 months, and average every plant of cucumber harvests 80, and tomato is put down
Every plant 35 fringe fruits of harvesting, average product 60Kg/m2 create world today's maximum output and effective levels.
The states such as the U.S., Japan are proposed the totally enclosed type production system for representing the most advanced level in the world today, i.e., artificial to mend
Illumination is filled, is all adopted and is computerizedd control, " plant factor " annual harvest production of transplanting operation is carried out by robot or manipulator
20 batches of product or more, vegetables annual output are the decades of times of outdoor cropping, and the common feature of the industrialized agriculture of these countries is to have realized
Intensive, scale, Virtual production, the production height socialization of greenhouse and auxiliary facility.At present, China's facilities horticulture face
Product accounts for about the 85% of world's facilities horticulture gross area up to more than 250 ten thousand hectares.Facilities horticulture annual value of production reaches more than 2,000 hundred million
Member.In pattern of farming, facilities vegetable area accounts for more than 95% China's facilities horticulture gross area.In area distribution, 70%
It is distributed in Huang-Huai-Hai and its northern area above.Facilities horticulture develop into solve the long-standing problem the northern area of China vegetables winter it is light
Season supply problem, improve living standard of urban and rural population, promote social stability and played important function.
The present invention researches and develops and what is designed is agricultural production auxiliary facility, it can be not only a kind of efficient, intensive and professional
Production facility, and in use, the sunlight index of refraction of production estimation environment can be effectively improved, you can to have
Effect removes the ice and snow of accumulation, and will not damage the surface of lighting ceiling, keeps its refractive power effect, increases the injection of indoor solar
Amount.
Invention content
It is disclosed by the invention be it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, main mesh
Be overcome deficiencies of the prior art and shortcoming.
The technical solution adopted by the present invention is as follows：
It is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, including factory building, which sets
There is lighting ceiling, be equipped with transparent top plate on the lighting ceiling, and this is equipped with using ceiling can remove ice on top plate automatically
The device for expelling ice and snow of snow, the device for expelling ice and snow include several sliding rails being symmetrically installed on the lighting ceiling, two
Cooperation is slidably installed with a deicing bar and the driving motor of the driving deicing bar movement between sliding rail, described to remove
Several brush body operation blocks are installed on ice and snow bar, are filled successively before and after the direction which slides along the deicing bar
Equipped with a pushing snowboard and a deicing brush body, the pushing snowboard abuts against setting with the top plate, and one is opened up on the deicing brush body
Fluid cavity, the fluid cavity have an opening towards transparent top plate cleaning surface, edge and the top plate cleaning surface of the opening
It is adapted, the inlet and air inlet being connected with the fluid cavity, the inlet is additionally provided on the deicing brush body
It is connected with providing deicer source of solvent, the air inlet is connected with providing the steam flow source of high-pressure hot steam stream, the fluid
When cavity is full of high pressure steam flow and high pressure deicer liquid, make the deicing brush body micro suspension entirely in the clear of the transparent top plate
On washing one's face.
Further, combined bay is equipped in the factory building, if the combined bay is equipped with the layering frame body of dried layer, layering
Activity is placed with the production frame body of several removable transfers on frame body, and the both sides of the combined bay further respectively have an elevator
Structure, the top of the layering frame body are laid with the nutrient solution source capsule for being connected with providing the nutrient solution source of inorganic nutrient solution
Road, the production frame body are equipped with a telescopic connection pipe body, which can be connected with the nutrient solution source capsule road
Setting.
Further, the production frame body includes a pedestal and the two pedestal bodies being obliquely installed, and the two pedestals body is with being somebody's turn to do
Pedestal, which encloses, is set as a section in triangular form structure, and the middle inside of the production frame body, which is enclosed, sets the provisions space to form a closing, should
Provisions device, environmental monitoring installation and environment regulating device are equipped in provisions space；The two pedestals body is equipped with several rows
Planting tray, which is connected with the provisions space, which is used for the various crops of fabric；It is set on the pedestal
There are a nutrient solution retracting device and a telescopic first secondary light source body.
Further, the top of the production frame body is equipped with the second secondary light source body.
Further, the provisions device includes provisions tube body, the provisions tube body and the nutrient solution for providing inorganic nutrient solution
Source capsule road is connected, and several atomizer and solenoid electric valve, the solenoid electric valve and life are installed on the provisions tube body
Produce control centre's phase control connection setting.
Further, the T-shaped structure of provisions tube body, the atomizer are installed in the provisions tube body top
Both side ends.
Further, the lower end of the connection pipe body is connected with the provisions tube body, and the upper end of connection pipe body is equipped with one
Automatic connector, the automatic connector can be connected with the nutrient solution source capsule road.
Further, the environmental monitoring installation includes temperature monitor, humidity detection instrument and air content monitor.
Further, the environment regulating device includes humidifier, heating instrument, carbon dioxide adder.
Further, the bottom of the pedestal is additionally provided with the wheel body for mobile transfer and its brake valve of arranging.
By the above-mentioned description of this invention it is found that compared to the prior art, the advantage of the invention is that：、
The present invention not only can effectively increase the daylighting effect of lighting ceiling, but also utilize and be somebody's turn to do by setting device for expelling ice and snow
The work of device for expelling ice and snow, you can effectively to remove ice and snow, and the top plate of ceiling can effectively be protected not to be damaged, improved
The index of refraction of light increases indoor solar injection amount, is conducive to the production of crops so as to a step.Meanwhile the present invention is also
Using enclosed atomization fertilization mode, not only directly make more effective absorption of the crops to nutrients, but also pass through elevator
The production frame body in each crop growth stage is transferred on different layering frame bodies, in each layering frame body in the combined bay
Different crops production phase required external environment factor is set, in this way, can make it by the mobile production frame body that shifts
On crops enter directly into and be more advantageous in the environment of growth because being compared by the every data value for changing overall situation
Inconvenience, and environmental change amplitude is big during change, is unfavorable for crop growth.The present invention can preferably improve crops
The nutrient absorption demand of root meets the demand to nutrition that crops generate each stage and external environment variation, improves agriculture
Crop quality reduces growth period, increases its yield.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the configuration diagram of present invention production frame body.
Fig. 3 is the structure diagram of brush body operation block of the present invention.
Fig. 4 is that the bottom of deicing brush body of the present invention regards structure diagram.
Specific embodiment
Illustrate to further explain the specific embodiment of the present invention with reference to the accompanying drawings.
As shown in Figures 1 to 4, it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, including factory
Room building 1, the factory building 1 are equipped with lighting ceiling 2, transparent top plate are equipped on the lighting ceiling 2, and this uses ceiling 2
The device for expelling ice and snow 5 of ice and snow on top plate can be removed automatically by being equipped with, and the device for expelling ice and snow 5 is symmetrically installed in institute including several
The sliding rail 51 on lighting ceiling is stated, coordinates between two sliding rails 51 and has been slidably installed with a deicing bar 52 and driving institute
The driving motor of deicing bar movement is stated, several brush body operation blocks 53, brush body work are installed on the deicing bar 52
A pushing snowboard 54 and a deicing brush body 55, the snow pushing are installed with before and after the direction that block 53 is slided along the deicing bar 52 successively
Plate 54 abuts against setting with the top plate, a fluid cavity 551 is opened up on the deicing brush body 55, which has
One towards transparent top plate cleaning surface opening 552, the edge of the opening 552 is adapted with top plate cleaning surface, the deicing brush
The inlet 553 being connected with the fluid cavity 551 and air inlet 554 are additionally provided on body 55, the inlet 553 is with carrying
It is connected for deicer source of solvent, the air inlet 554 is connected with providing the steam flow source of high-pressure hot steam stream, and the fluid is empty
When chamber 551 is full of high pressure steam flow and high pressure deicer liquid, make the deicing brush body micro suspension entirely in the transparent top plate
On cleaning surface.
Further, combined bay 6 is equipped in the factory building 1, if the combined bay 6 is equipped with the layering frame body 7 of dried layer,
Activity is placed with the production frame body 3 of several removable transfers on layering frame body 7, and the both sides of the combined bay 6 further respectively have
One elevating mechanism 8, the top of the layering frame body 7 are laid with the battalion for being connected with providing the nutrient solution source of inorganic nutrient solution
Nutrient solution source capsule road 9, the production frame body 3 are equipped with a telescopic connection pipe body 10, which can be with the nutrition
Liquid source capsule road 9 is connected setting.
Further, the production frame body 3 includes a pedestal 31 and the two pedestal bodies 32 being obliquely installed, the two pedestals body
32 enclose with the pedestal 31 and are set as a section in triangular form structure, the middle inside of the production frame body 3 enclose set to be formed a closing to
Space 33 is supported, provisions device 34, environmental monitoring installation 35 and environment regulating device 36 are equipped in the provisions space 33；Described two
Pedestal body 32 is equipped with the planting tray 37 of several rows, which is connected with the provisions space 33, which uses
In the various crops of fabric；The pedestal 31 is equipped with a nutrient solution retracting device 11 and a telescopic first secondary light source body
12。
Further, the top of the production frame body 3 is equipped with the second secondary light source body 13.
Further, the provisions device 34 includes provisions tube body 341, and the provisions tube body 341 is with providing inorganic nutrient solution
Nutrient solution source capsule road 9 be connected, several atomizer 342 and solenoid electric valve are installed on the provisions tube body 341, should
Solenoid electric valve connect setting with central production control unit phase control.
Further, the 341 T-shaped structure of provisions tube body, the atomizer 342 are installed in the provisions tube body
The both side ends on 341 tops.
Further, the lower end of the connection pipe body 10 is connected with the provisions tube body 341, the upper end of connection pipe body 10
Equipped with an automatic connector, which can be connected with the nutrient solution source capsule road 9.
Further, 35 device of environmental monitoring includes temperature monitor, humidity detection instrument and air content monitor.
Further, the environment regulating device 36 includes humidifier, heating instrument, carbon dioxide adder.
Further, the bottom of the pedestal 31 is additionally provided with the wheel body for mobile transfer and its brake valve of arranging.
The present invention not only can effectively increase the daylighting effect of lighting ceiling, Er Qieli by setting device for expelling ice and snow
With the work of the device for expelling ice and snow, you can effectively to remove ice and snow, and the top plate of ceiling can effectively be protected not to be damaged,
The index of refraction of light is improved, increases indoor solar injection amount, is conducive to the production of crops so as to a step.Meanwhile this hair
It is bright also to use enclosed atomization fertilization mode, not only directly make more effective absorption of the crops to nutrients, but also pass through liter
The production frame body in each crop growth stage is transferred on different layering frame bodies by drop machine, each layering frame in the combined bay
Setting different crops production phase required external environment factor in vivo, in this way, producing frame body by mobile shift
The crops for making thereon, which enter directly into, to be more advantageous in the environment of growth, because of every data value by changing overall situation
It is inconvenient to compare, and environmental change amplitude is big during change, is unfavorable for crop growth.The present invention can preferably improve agriculture
The nutrient absorption demand of crop root meets the demand to nutrition that crops generate each stage and external environment variation, carries
High crops quality reduces growth period, increases its yield.
The specific embodiment of the present invention is above are only, but the design concept of the present invention is not limited merely to this, every profit
The present invention is improved with carrying out unsubstantiality with this design, should belong to the behavior for invading the scope of the present invention.
Claims (9)
1. it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is characterised in that：Including factory building,
The factory building is equipped with lighting ceiling, is equipped with transparent top plate on the lighting ceiling, and this be equipped with using ceiling can be automatic
The device for expelling ice and snow of ice and snow on top plate is removed, the device for expelling ice and snow is symmetrically installed in including several on the lighting ceiling
Sliding rail, between two sliding rails cooperation be slidably installed with the driving of a deicing bar and the driving deicing bar movement
Motor is installed with several brush body operation blocks on the deicing bar, the side which slides along the deicing bar
It is installed with a pushing snowboard and a deicing brush body successively forwards, backwards, the pushing snowboard abuts against setting, the deicing with the top plate
A fluid cavity is opened up on brush body, which has an opening towards transparent top plate cleaning surface, the edge of the opening
It is adapted with top plate cleaning surface, the inlet being connected with the fluid cavity and air inlet is additionally provided on the deicing brush body
Mouthful, the inlet is connected with providing deicer source of solvent, the air inlet and the steam flow source phase for providing high-pressure hot steam stream
Connection when the fluid cavity is full of high pressure steam flow and high pressure deicer liquid, makes the deicing brush body micro suspension in described entirely
On the cleaning surface of transparent top plate.
2. it is according to claim 1 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：Combined bay is equipped in the factory building, if the combined bay is equipped with the layering frame body of dried layer, is layered activity on frame body
It is placed with the production frame body of several removable transfers, the both sides of the combined bay further respectively have an elevating mechanism, described point
The top of layer frame body is laid with the nutrient solution source capsule road for being connected with providing the nutrient solution source of inorganic nutrient solution, the production
Frame body is equipped with a telescopic connection pipe body, which can be connected setting with the nutrient solution source capsule road.
3. it is according to claim 2 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The production frame body includes a pedestal and the two pedestal bodies being obliquely installed, and the two pedestals body is enclosed with the pedestal to be set as
One section is in triangular form structure, and the middle inside of the production frame body, which is enclosed, sets the provisions space to form a closing, in the provisions space
Equipped with provisions device, environmental monitoring installation and environment regulating device；The two pedestals body is equipped with the planting tray of several rows, should
Planting tray is connected with the provisions space, which is used for the various crops of fabric；The pedestal is equipped with a nutrient solution
Retracting device and a telescopic first secondary light source body.
4. it is according to claim 3 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The provisions device includes provisions tube body, which is connected with providing the nutrient solution source capsule road of inorganic nutrient solution
It is logical, several atomizer and solenoid electric valve, the solenoid electric valve and central production control unit are installed on the provisions tube body
Phase control connection setting.
5. it is according to claim 4 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The T-shaped structure of provisions tube body, the atomizer are installed in the both side ends on the provisions tube body top.
6. it is according to claim 4 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The lower end of the connection pipe body is connected with the provisions tube body, and the upper end of connection pipe body is equipped with an automatic connector,
The automatic connector can be connected with the nutrient solution source capsule road.
7. it is according to claim 3 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The environmental monitoring installation includes temperature monitor, humidity detection instrument and air content monitor.
8. it is according to claim 3 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The environment regulating device includes humidifier, heating instrument, carbon dioxide adder.
9. it is according to claim 3 it is a kind of can automatic de-icing snow high refractive index soilless culture factory structure, it is special
Sign is：The bottom of the pedestal is additionally provided with the wheel body for mobile transfer and its brake valve of arranging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473124.1A CN108252545A (en) | 2017-12-29 | 2017-12-29 | It is a kind of can automatic de-icing snow high refractive index soilless culture factory structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473124.1A CN108252545A (en) | 2017-12-29 | 2017-12-29 | It is a kind of can automatic de-icing snow high refractive index soilless culture factory structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108252545A true CN108252545A (en) | 2018-07-06 |
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ID=62725164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711473124.1A Pending CN108252545A (en) | 2017-12-29 | 2017-12-29 | It is a kind of can automatic de-icing snow high refractive index soilless culture factory structure |
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| Country | Link |
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| CN (1) | CN108252545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646527A (en) * | 2024-01-30 | 2024-03-05 | 中恒华美建筑工程集团有限公司 | Lighting energy-saving device for building engineering house building |
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| CN117646527A (en) * | 2024-01-30 | 2024-03-05 | 中恒华美建筑工程集团有限公司 | Lighting energy-saving device for building engineering house building |
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